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BACKGROUND Surgical extraction of impacted mandibular third molars is the most commonly performed procedure in oral surgery; its associated complications include sensory nerve damage, swelling, and trismus. This study aimed to evaluate the effects of hyaluronic acid (HA) on healing of the socket following extraction of the lower impacted third molar tooth in 40 dental patients. MATERIAL AND METHODS This prospective, double-blind, randomized, controlled study was carried out on 40 adult healthy patients indicated for surgical removal of bilateral impacted mandibular third molars with equal surgical difficulty (moderate surgical difficulty according to the Koerner index. Patients with right mandibular third molars were included into the study (HA) group and those with left mandibular third molars were included into the control group. Surgical removal of impacted teeth was performed at different times for each patient for proper measurement of postoperative clinical variables, including pain, swelling, and mouth opening. RESULTS Postoperative pain evaluation results using the visual analog scale (VAS) showed reduced pain levels at all observation periods. Postoperative swelling peaked in intensity within 12-48 hours, resolving between the 5th and 7th days, and there was no significant difference in pre- and postoperative measurements of interincisal opening between both groups (P>0.05). CONCLUSIONS We found that intra-socket application of hyaluronic acid after surgical extraction of impacted mandibular third molars promoted normal wound healing, and there was a clinical benefit of reduced postoperative pain and swelling.

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BACKGROUND-OBJECTIVE(S): This randomized, split-mouth study aimed to compare postoperative complications following the surgical extraction of impacted lower third molars using piezosurgery versus conventional rotary instruments. MATERIALS AND METHODS: Twenty-one patients, aged 18-35 years, with bilaterally and symmetrically impacted lower third molars, were randomly assigned to undergo extraction using piezosurgery on one side and conventional rotary instruments on the other. RESULTS: The piezosurgery method required a longer operation time. However, it resulted in quicker resolution of postoperative swelling by the 7th day compared to the conventional method, where swelling persisted longer. Mandibular angle-tragus measurements were significantly higher with the conventional method on the 1st, 3rd, and 7th postoperative days. Although mouth opening decreased significantly after piezosurgery, it returned to preoperative levels by the 7th day, outperforming the conventional method. Postoperative pain was notably higher with the conventional method during the first four days but showed no significant difference from the 5th day onward. Alveolar bone healing was significantly better with piezosurgery at the 3rd and 6th months. Temporary paresthesia occurred in one patient from the conventional group, resolving within four weeks. Neither method resulted in alveolar osteitis. CONCLUSION(S): Within the study's limitations, piezosurgery demonstrated a reduction in postoperative discomfort, suggesting its advantage in enhancing patient recovery following lower third molar extractions. CLINICAL SIGNIFICANCE: Piezosurgery, when used appropriately, can reduce postoperative complications compared to conventional methods. Clinicians should be aware of its indications, benefits, and potential challenges. Trial registration This study was registered as a clinical trial to the ClinicalTrials.gov, and the registration ID is NCT06262841 ( https://clinicaltrials.gov/study/NCT06262841 ).

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OBJECTIVES: To compare effectiveness of Autologous Particulate Dentin (APD) with Demineralized Freeze-Dried Bone Allograft (DFDBA) in ridge preservation, using radiographic and clinical parameters. MATERIALS AND METHODS: Thirty subjects with indication of mandibular posterior teeth extraction were randomly assigned to either test or control group. After atraumatic extraction, ridge preservation was performed using APD or DFDBA mixed with i-PRF in test and control groups respectively. Both groups had sockets sealed with A-PRF membrane. Clinical parameters (plaque, gingival and healing indices) and radiographic parameters (vertical ridge height, horizontal ridge width) were assessed at baseline and 6 months using CBCT. Statistical analysis was performed using an independent t-test to compare clinical and radiographic parameters between the groups. RESULTS: Both groups had significant decreases in ridge dimensions over 6 months (p < 0.001). The test group showed less reduction in ridge dimensions than control group at 6 months (p < 0.001). Mean change in vertical height was not significant (1.37 ± 1.32, 1.7311 ± 0.563), but in horizontal ridge width (1.3120 ± 1.13, 1.8093 ± 1.16) was significantly different between test and control groups respectively. There was no statistical difference in clinical parameters between the groups at 6 months (p > 0.001). CONCLUSIONS: APD grafts resulted in significant improvements in radiographic parameters, specifically in vertical ridge height and horizontal ridge width, compared to DFDBA group. CLINICAL RELEVANCE: Autologous particulate dentin is a promising, versatile substitute for regenerative procedures. While more research on its long-term efficacy and application is needed, current evidence suggests it could significantly improve patient care and outcomes.

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Background and Objectives: The aim of this study was to investigate the efficacy of a single preoperative dose of deflazacort on pain, swelling, and trismus after impacted lower third molar surgery. Materials and Methods: This randomised, prospective, double-blind, split-mouth clinical study included 26 healthy individuals with bilaterally impacted lower third molars. Group 1 was given a placebo (single-dose vitamin C tablet), and group 2 was given a single 30 mg dose of deflazacort 1 h prior to surgery. Pain was evaluated using the visual analogue scale for 1 week postoperatively. Oedema (in mm) and trismus (in mm) were evaluated preoperatively and on postoperative days 2 and 7. The Mann-Whitney U test was applied for group analyses. p values < 0.05 were considered statistically significant. Results: Postoperative pain scores were significantly lower in the deflazacort group at the 6th and 12th hours after surgery (p < 0.05). There were no significant differences in trismus between the groups at any time point (p > 0.05). There was less oedema in the deflazacort group on postoperative days 2 and 7, without any statistically significant difference (p > 0.05). Conclusions: A single preoperative dose of 30 mg deflazacort was found to be clinically effective in reducing pain and oedema after extraction of impacted lower third molars.

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An urgent issue is the preservation or reconstruction of the volume of bone tissue in planning and surgical treatment in the fields of medicine, such as traumatology, orthopedics, maxillofacial surgery and dentistry. After tooth extraction, resorption of the bone tissue of the alveolar crest of the jaws occurs, which must either be further eliminated by performing additional operations or using osteoplastic material for socket preservation at the extraction stage. Background and Objectives: The aim of the study was a comparative analysis of various osteoplastic materials used to preserve the volume of bone tissue in the preimplantation period. Materials and Methods: As part of the study, 80 patients were treated, who underwent socket preservation using xenografts, plasma enriched with growth factors, an autologous dentin matrix (ADM) and hydroxyapatite. Results: The results of the treatment 16 weeks after removal were comprehensively analyzed using a morphometric analysis of the bone's volume, cone beam tomography and morphological examination of burr biopsy specimens, as well as by determining the stability of the installed implant at different stages of treatment. Conclusions: The lowest level of bone tissue resorption according to the CBCT data was noted in the ADM and xenograft groups. It should be noted that the use of osteoplastic material in jaw surgery when reconstructing alveolar defects is an essential procedure for preventing the atrophy of bone tissue.

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Background and Objectives: In socket preservation, the goal is to minimize bone resorption after tooth extraction to maintain the volume and contour of the alveolar ridge. The use of PRF in post extraction sites may reduce ridge resorption by encouraging the growth of new bone and acting as a scaffold for tissue. In addition, PRF may enhance healing and minimize postoperative pain. The aim of this study was to evaluate the effectiveness of platelet-rich fibrin (PRF) in maintaining the ridges' dimensions at the extraction site, in the maxilla and mandible, as well as its impact on post-extraction discomfort. Methods: The study was conducted on 60 patients presenting for extraction of posterior teeth and was randomly divided into three groups: group I PRF (n = 20), group II PRF + collagen (n = 20), and group III control (n = 20). Sockets were filled with PRF (group I) and PRF + collagen (group II). At baseline and follow-up after 3 months, CBCT was used to assess the bone dimensions. The postoperative pain evaluations were performed at 24 h, 3 days, and 7 days after the tooth extraction. The pain rate was evaluated using a numerical rating scale from the British Pain Society. Results: The study examined the effects of platelet-rich fibrin (PRF) and PRF combined with collagen on the height and width of the ridges, as well as the pain experienced by the patients following alveolar ridge preservation surgery. ANOVA and t-tests were used to evaluate and compare the ridge dimensions. Comparing the results to the control group, there were no significant differences in the height or width of the ridges. However, both the PRF and PRF + Collaplug® treatments effectively reduced the short-term postoperative pain. Conclusions: The study findings suggest that platelet-rich fibrin (PRF) and PRF combined with collagen do not exert significant effects on ridge width and height compared to the standard treatment following alveolar ridge preservation. However, it is noteworthy that both the PRF and PRF + collagen treatments demonstrated efficacy in reducing postoperative pain in the short term, offering a potential advantage over standard treatment protocols.

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OBJECTIVES: Use of numerous medications such as tyrosine kinase inhibitors (sunitinib), monoclonal antibodies (bevacizumab), fusion proteins (aflibercept), mTOR inhibitors (everolimus), radiopharmaceuticals (radium 223), selective estrogen receptor modulators (raloxifene), and immunosuppressants (methotrexate and corticosteroids) has been reported to be a risk factor for development of medication-related osteonecrosis of the jaws till date. This study aimed to evaluate the preventive effect of low-level laser therapy (LLLT) and gaseous ozone on the onset of MRONJ following tooth extraction. MATERIALS AND METHODS: A total of 40 male Wistar rats were randomly allocated into 4 groups of 10 rats each. The groups laser (L), ozone (O), and control (C) received weekly intraperitoneal injections of zoledronic acid (0.06 mg/kg), while group sham (S) received saline solution for 4 weeks. After the 4th injection, all subjects underwent mandibular first molar extraction and adjunctive laser or ozone was applied according to the groups. All the rats were sacrificed at 4 postoperative weeks for comparative histomorphometric evaluation of bone healing in extraction sites. RESULTS: Laser and ozone groups demonstrated significantly higher bone formation compared to control group (p < 0.05), while no significant difference was found between laser and ozone groups (p = 1.00). Furthermore, the greatest bone formation was observed with the sham group (p < 0.05). CONCLUSIONS: Findings of the current study support that adjunctive LLLT and ozone therapy following tooth extraction may help prevent MRONJ and improve bone healing in subjects under zoledronic acid therapy. CLINICAL RELEVANCE: Since the introduction in 2003, great effort has been devoted to developing a certain management protocol for MRONJ. Several publications have appeared in recent years documenting promising results of adjunctive LLLT and ozone application in treatment of MRONJ. However, experimental data are limited on this regard and the present study, for the first time, aimed to evaluate and compare the effects of LLLT and ozone in prevention of MRONJ.

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OBJECTIVE: The aim of this study was to evaluate the effectiveness of a novel biomaterial (FG) for alveolar ridge preservation compared to CTG in terms of soft tissue thickness and bone dimensional changes. MATERIALS AND METHODS: A randomized clinical trial was conducted on 30 patients who required extraction of 30 hopeless mandibular posterior teeth. All patients went through atraumatic tooth extraction, and then, they were randomly allocated to either a CTG, an FG, or a spontaneous healing (SH) group (1:1:1). All patients received a dental implant placed 6 months postoperatively. The soft tissue thickness and bone dimensional changes were measured before and 6 months after the procedure. RESULTS: The study's analysis revealed statistically significant differences in buccal gingival thickness and dimensional bone changes across the three examined groups after 6 months (p < 0.05). The SH group had lower gingival thickness (1.31 ± 0.65 mm) and higher vertical resorption (-1.46 ± 1.67 mm at the buccal aspect) compared with the CTG and FG groups. The CTG and FG groups had similar gingival thickness (2.42 ± 0.70 and 3.00 ± 0.71 mm, respectively) and bone width reduction (+0.86 ± 2.31 and +0.93 ± 2.38 mm, respectively), whereas the CTG group had lower vertical bone loss (-0.30 ± 1.09 mm at the buccal aspect) than the FG group (-0.47 ± 2.30 mm at the buccal aspect). CONCLUSION: FG and CTG demonstrate equivalent soft tissue thickness and comparable horizontal bone dimension outcomes in ARP.

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BACKGROUND: Tooth extraction procedures often lead to bone resorption, which can have adverse effects on the dimensions of the alveolar ridge. Research has shown that socket preservation techniques using bone graft substitutes can effectively minimize early bone loss in such cases. α-calcium sulfate hemihydrate (α-CSH) has garnered significant attention as a potential bone graft material due to its favorable properties, including osteoconductivity, angiogenic potential, and biocompatibility. Considering these facts, we developed a preliminary protocol for applying α-CSH in addressing alveolar bone loss following tooth extraction. OBJECTIVE: This research's general objective is to evaluate the feasibility and initial effectiveness of α-CSH as bone-inducing graft material for socket preservation after tooth extraction. METHODS: This preliminary clinical trial will involve 30 fresh extraction sockets from individuals aged 18-35 years. The participants will be divided into 2 groups: one group will receive α-CSH graft material after tooth extraction for socket preservation, while the other group will not receive any graft material. Throughout the study, the participants will be closely monitored for safety measures, which will include clinical examinations, radiographic imaging, and blood tests. Radiographic imaging will be used extensively to assist the progress of bone formation. RESULTS: The study commenced enrollment in August 2022 and is scheduled to conclude post assessments and analyses by the end of 2023. The results of the study are anticipated to be accessible in late 2024. CONCLUSIONS: This clinical study represents the initial investigation in humans to assess the feasibility and efficacy of α-CSH in alveolar bone regeneration. We hypothesize that the inclusion of α-CSH can greatly expedite the process of bone formation within fresh sockets, resulting in a swift restoration of bone height without the disadvantages associated with harvesting autogenous bone graft. TRIAL REGISTRATION: Indonesia Registry Center INA-D02FAHP; https://tinyurl.com/2jnf6n3s. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/49922.

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The socket-shield technique is a clinical procedure aimed at preventing both hard- and soft-tissue collapse following immediate implant placement. The technique can be challenging as multiple factors influence the precision of this treatment. Selective preservation of tooth (SPOT) is a standardized, reproducible tooth-guided preparation protocol for achieving a socket shield and for immediate post-extraction implant site preparation and placement. SPOT emphasizes the utilization of osseodensification burs in both forward (ie, clockwise) rotation, to allow for simultaneous precise root apex removal and shield preparation, and reverse (ie, counterclockwise) rotation, to allow for implant site preparation with further compaction-autografting of bone and dentin, thereby improving implant primary stability and its subsequent early healing. This article presents SPOT in a step-by-step protocol for socket-shield and implant site preparation with immediate post-extraction implant placement. The article describes the stepwise application for single-rooted teeth.

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This study compared the safety of general anesthesia (GA) and intravenous sedation (IVS) in patients who underwent extraction of one or more third molars. Data from 1260 patients (GA group, n = 1043; IVS group, n = 217) were retrospectively analyzed, including demographics, preoperative data, intraoperative hemodynamic parameters (blood pressure, heart rate, and oxygen saturation level), and medications administered intraoperatively and postoperatively. The incidence of intraoperative circulatory variations, surgery and anesthesia durations, postoperative complications, and medication use were assessed and compared. The GA group had longer anesthesia and surgery durations, a higher incidence of hypotension, and a higher frequency of postoperative analgesic use than the IVS group. Dexmedetomidine was the most frequently used sedative agent. The IVS group had a lower incidence of intraoperative hypotension but they had a higher need for vasopressors in the recovery room. Both anesthesia methods maintained satisfactory oxygen saturation levels and sufficient anesthesia throughout the procedure, but they showed different characteristics regarding the duration of surgery and anesthesia duration, hemodynamic stability, and postoperative analgesic needs. IVS may be preferable for patients at risk of cardiovascular complications such as hypotension or tachycardia during surgery.

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INTRODUCTION: Dental extraction is a common oral surgery procedure, but it can lead to unpredictable changes in alveolar bone structure, which can complicate future rehabilitation with prostheses. Socket preservation aims to reduce bone and soft tissue loss after extraction and involves various techniques using different materials. Autogenous bone is considered the gold standard for grafts, while autologous platelet concentrates like platelet-rich fibrin (PRF) have been used for tissue healing. This study aims to radiographically assess the bone remodeling of freshly extracted socket filled with Activated Platelet Rich Fibrin (APRF) and PRF. MATERIALS AND METHODS: A randomized controlled study was conducted on 60 patients undergoing tooth extraction as atraumatic as possible. Patients were divided into two groups: one receiving APRF with 10% Calcium Chloride as activating agent and the other PRF. Radiographic assessments were done using Kelley et al. scoring criteria at various time intervals, and statistical analyses were performed to evaluate the results. RESULTS: In this study we found increased bone density in extracted socket filled with APRF at any given time interval compared to PRF which is statistically significant. The maxilla demonstrated better bone formation compared to the mandible. Gender, age, and site also influenced bone formation, with females showing differences in lamina dura and overall density. DISCUSSION: PRF is rich in growth factors, promoting osteoblast formation and angiogenesis. Activation with calcium chloride accelerates clot formation and the release of growth factors. This study's radiographic data suggests that APRF may be more effective than PRF in promoting socket preservation and bone formation.

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Photobiomodulation is a safe option for controlling pain, edema, and trismus when applied postoperatively in third molar surgery. However, administration prior to surgery has been under-explored. This study aims to explore the effectiveness of pre-emptive photobiomodulation in reducing postoperative edema in impacted lower third molar extractions. Two groups of healthy individuals undergoing tooth extraction will be randomly assigned: Control group receiving pre-emptive corticosteroid and simulated photobiomodulation, and Photobiomodulation Group receiving intraoral low-intensity laser and extraoral LED cluster application. The primary outcome will be postoperative edema after 48 h. The secondary outcomes will be pain, trismus dysphagia, and analgesic intake (paracetamol). These outcomes will be assessed at baseline as well as two and seven days after surgery. Adverse effects will be recorded. Data will be presented as means ± SD and a p-value < 0.05 will be indicative of statistical significance.

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BACKGROUND: Studies have been conducted to evaluate changes in hemodynamics, postoperative bleeding, and pain in pediatric dental patients receiving general anesthesia (GA). However, a limited number of studies have evaluated the effects of local anesthetics (LA) on tooth extraction procedures during GA. There is no consensus in the literature regarding LA application in the perioperative period for dental treatments performed within the scope of GA. AIM: This study aimed to determine the retrospective physiologic effects of fluctuations in vital signs and postoperative bleeding in children who did or did not receive LA for tooth extraction under GA. METHODS: A retrospective evaluation of 77 patients aged 5.16 ± 1.85 years who had the extraction of primary posterior teeth with or without LA under GA were reviewed in the post-anaesthesia care unit (PACU) for postoperative bleeding and the effects of intraoperative LA on fluctuations in postoperative parameters such as mean arterial pressure (MAP), heart rate (HR), peripheral oxygen saturation (SpO2), respiratory rate (RR), and the end-tidal carbon dioxide (EtCO2). These were compiled from the patient records of the procedures. RESULTS: Significant differences between the baseline and peak MAP (P < 0.001), HR (P = 0.011), and EtCO2 (P = 0.002) were noted in children without LA compared to those who had LA. In addition, substantial variations were observed between the baseline and peak values for MAP (P < 0.001) and HR (P = 0.037) in children who had tooth extraction in the mandibular region. Statistically significant differences were noted between the baseline and peak values for patients who did not receive LA before the extraction of the first primary molar in terms of MAP (P < 0.02) and EtCO2 (P = 0.032). Similarly, significant differences in MAP (P < 0.02) and EtCO2 (P = 0.034) were noted in the extraction of the second primary molar. In addition, there was a significant difference in bleeding based on the number of tooth extractions in those who did not receive LA (P = 0.020). CONCLUSION: This study showed that in children who underwent tooth extraction under GA, additional LA application minimized changes in HR, MAP, and EtCO2, whereas a lack of LA application produced significant fluctuations from baseline to peak values of HR, MAP, and EtCO2. In addition, LA application reduced postoperative bleeding.

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Tooth extraction is a common and widely employed therapeutic procedure in oral and maxillofacial surgery. Minimally invasive tooth extraction can reduce both physical and psychological trauma to the patients, and is widely recommended as a first-line clinical treatment. But currently no guidelines or consensus has been available to provide a systematic introduction of minimally invasive tooth extraction to guide the clinical practices. To address this issue, this consensus, based on a comprehensive literature review and clinical experiences of experts, systematically summarizes the indications, target patients, and contraindications of minimally invasive tooth extraction, the overall workflow of this procedure (preoperative preparation, surgical steps, postoperative management, postoperative instructions, medications, and follow-up), and its common postoperative complications to provide a comprehensive guidance for clinical application of this technique.

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Background and Objectives: The role of surgical extraction of the third molar in patients' sleep quality remains unclear, although it is one of the most common oral surgical procedures. The aim of this study is to assess the changes in patient-reported sleep health outcomes after third molar surgery and to investigate any associations between sleep parameters and post-extraction pain. Materials and Methods: Young adults without known comorbidities who were in need of mandibular third molar surgical extraction were included. All participants completed a sleep diary, the Epworth Sleepiness Scale (ESS), Pittsburgh Sleep Quality Index (PSQI) and Athens Insomnia Scale (AIS) questionnaires, which were used to assess sleep habits, daytime sleepiness, sleep quality and insomnia severity one week before and after extraction. In addition, a visual analog scale was completed postoperatively to assess the perception of pain. Results: Out of 75 patients who completed the study protocol, 32 (42.7%) were males and 43 (57.3%) were females, with a mean age of 24.01 (±3.43) years. Postoperatively, statistically significant higher scores were observed for PSQI [4.85 (±2.32) before vs. 5.39 (±2.75) after, p = 0.041], AIS [5.56 (±3.23) before vs. 6.91 (±4.06) after, p < 0.001] and average weekly number of nocturnal awakenings [2.01 (±3.72) before vs. 4.19 (±5.20) after, p < 0.001] but not for ESS, average weekly sleep duration and average weekly sleep onset latency. Pain perception was increased in patients who slept worse on almost all seven postoperative days, although this did not reach statistical significance. Conclusions: Third molar surgery impacts sleep quality and insomnia severity in the first week after extraction, while there is no effect on daytime sleepiness. The worsening of subjective sleep symptoms after extraction may be associated with an increased perception of pain.

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OBJECTIVE: We will perform the systematic review to evaluate the effect of applying concentrated growth factor (CGF) on relieving postoperative complications and promoting wound healing following mandibular third molar extraction. METHODS: The PubMed, Web of Science, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), Wanfang Database, China Biology Medicine Disc (CBM), and VIP Databases will be comprehensively searched up to May 31, 2024. Randomized controlled trials (RCTs) examining the application of CGF after mandibular third molar extraction will be included. The protocol was registered in PROSPERO, and the registration ID was CRD42023463234. Two reviewers will conduct the literature search, eligible study selection, data extraction, and bias risk assessment (using the Cochrane Risk of Bias 2.0 tool). Data analysis will be performed with RevMan software (version 5.4). RESULTS: The results of this study will be available in a peer-reviewed journal. CONCLUSION: Our study will provide scientific evidence regarding the efficacy of applying CGF in mandibular third molar extraction.

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OBJECTIVE: With the increasing maturity of 3D printing technology, the application of digital guide template in the extraction of impacted teeth has become more sophisticated. However, for maxillary palatal deeply impacted teeth, there still exist significant clinical challenges. This experiment introduces a novel digital guide template and innovatively employs a flapless technique to explore a minimally invasive approach for the extraction of palatal deeply impacted teeth. METHODS: This experiment included 40 patients diagnosed with palatal completely impacted teeth, randomly divided into an experimental group and a control group. The experimental group used the new digital guide template for flapless extraction, while the control group employed the traditional freehand flap technique. RESULTS: The experimental group can significantly reduce the localization time of palatally impacted teeth (P < 0.001), with total surgery times of 18.15 ± 4.88 min and 22.00 ± 7.71 min for the experimental and control groups, respectively (P = 0.067). Although there were no significant statistical differences between the two groups in terms of intraoperative bleeding, adjacent tooth damage, infection, or damage to nearby important anatomical structures, the experimental group showed significant improvements in postoperative pain (P < 0.05), swelling (P < 0.001), and patient satisfaction (P < 0.001) compared to the control group. CONCLUSION: Compared to traditional freehand flap surgery, flapless extraction of palatally impacted teeth guided by digital templates significantly reduces the localization time of impacted teeth and demonstrates notable advantages in some postoperative complications. Future studies with larger sample sizes are needed to substantiate the feasibility of this technique.

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